Home / 1,445,992.44-2,166,857.34-805,414.35

Finding the Fourth Proportional to 1,445,992.44, 2,166,857.34 and 805,414.35

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Solution

The fourth proportional to 1,445,992.44, 2,166,857.34 and 805,414.35 is: 1,206,934.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,992.44 : 2,166,857.34 = 805,414.35 : x
  2. Step 2: Convert to fraction form
    1,445,992.44/2,166,857.34 = 805,414.35/x
  3. Step 3: Cross multiply
    1,445,992.44x = 2,166,857.34 × 805,414.35
  4. Step 4: Simplify right side
    1,445,992.44x = 1,745,217,996,038.83
  5. Step 5: Solve for x
    x = 1,745,217,996,038.83/1,445,992.44
  6. Step 6: Final answer
    x = 1,206,934.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.